Related Questions

    4.

    A physical quantity of the dimensions of length that can be formed out of c, G and is [c is velocity of light, G is universal constant of gravitation and e is charge]

    A

    c2[Ge24πε0]1/2{c^2}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}

    B

    1c2[e2G4πε0]1/2\frac{1}{{{c^2}}}{\left[ {\frac{{{e^2}}}{{G4\pi {\varepsilon _0}}}} \right]^{1/2}}

    C

    1cGe24πε0\frac{1}{c}G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}

    D

    1c2[Ge24πε0]1/2\frac{1}{{{c^2}}}{\left[ {G\frac{{{e^2}}}{{4\pi {\varepsilon _0}}}} \right]^{1/2}}

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    5.

    Dimensional formula for torque is

    A

    L2MT2{L^2}M{T^{ - 2}}

    B

    L1MT2{L^{ - 1}}M{T^{ - 2}}

    C

    L2MT3{L^2}M{T^{ - 3}}

    D

    LMT2LM{T^{ - 2}}

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    6.

    The dimensions of power are

    A

    M1L2T3{M^1}{L^2}{T^{ - 3}}

    B

    M2L1T2{M^2}{L^1}{T^{ - 2}}

    C

    M1L2  T1{M^1}{L^2}\;{T^{ - 1}}

    D

    M1L1T2{M^1}{L^1}{T^{ - 2}}

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